Represent Chemical Change 💯 Flashcards
1
Q
State the law of conservation of matter.
A
The law of conservation of matter states that matter cannot be created or destroyed but the amount of matter present remains the same.
2
Q
State the law of conservation of mass.
A
The law of conservation of mass states that in a closed system the total mass will remain constant.
3
Q
What are reactants?
A
Reactants are the substances initially present before a chemical reaction takes place.
4
Q
What are products
A
Products are the substances present after a chemical reaction has taken place.
5
Q
What is the purpose of a chemical equation?
A
A chemical equation shows the relationship between reactants and products in a chemical reaction.